CN213208039U

CN213208039U - Outdoor unit of air conditioner

Info

Publication number: CN213208039U
Application number: CN202022027808.2U
Authority: CN
Inventors: 徐亚男; 李小蕊; 禹志强; 丛辉
Original assignee: Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Current assignee: Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-14
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses an air conditioner outdoor unit, which comprises a heat exchanger, a fan, a box body, a water receiving tray and an electric control box; the opening of the water receiving tray is arranged upwards, and the box body is divided into an upper layer space and a lower layer space which are separated; the heat exchanger and the fan are arranged in the upper layer space; the water pan comprises a bottom, and a first opening is formed in the bottom; the electric control box is fixedly arranged in the lower layer space and comprises an electric control box body; a second opening and a third opening are arranged at the two ends of the electric control box body; the third opening is in communication with an outdoor environment; and the air guide assembly is respectively connected with the first opening and the second opening, so that the upper space is communicated with the outdoor environment. The utility model discloses a wind-guiding component with upper space and the automatically controlled box body intercommunication that is located lower floor's space. When the fan operates, the low air pressure in the upper space enables air flow to be formed in the electric control box body, heat in the electric control box body is taken away, the purpose of heat dissipation of the electric control box is achieved, and the fan is economical and efficient.

Description

Outdoor unit of air conditioner

Technical Field

The utility model relates to an air conditioning technology field especially relates to an air condensing units.

Background

The existing high-power and large-refrigerating capacity air conditioner outdoor unit adopts an ejecting air layered structure form, so that the heat exchange effect is improved, and the attractiveness is improved. The air conditioner outdoor unit with the top air outlet layered structure is divided into an upper layer and a lower layer, wherein the upper layer is provided with a fan, a motor and a heat exchanger, and the lower layer is provided with system components such as a compressor, a gas-liquid separator and the like and an electric system. In order to reduce air quantity loss and increase unit aesthetic property, the upper layer is designed into an open environment, and the lower layer is a closed environment. Although the air quantity and the unit attractiveness are guaranteed by the structure, the electric system is poor in heat dissipation in a closed environment, the environmental adaptability of the air conditioner outdoor unit is reduced, the operation temperature range is narrowed, and the user experience is influenced.

The heat dissipation of the electric control box of the existing air conditioner outdoor unit with the top air layered structure is generally achieved through the following schemes.

And a water pan scheme is cancelled. The heat exchanger above the outdoor unit is changed into a V shape from a U shape; air around the electric control box can be directly sucked away by the fan above to form air flow, so that the aim of cooling the electric control box is fulfilled. This structure has reduced air condensing units's aesthetic property, and has cancelled on the water collector rain and snow water directly flows the spare part of lower floor easily, has spare part inefficacy risk.

The scheme of a cooling fan, a radiator and a refrigerant cooling module is adopted. The cooling fan scheme can meet the temperature requirement of the electric control box. But also has problems of life span of the cooling fan and complexity of mode control. The instability of the unit operation is increased due to the risks of the fan, such as long service life, filth blockage, salt mist corrosion and the like. The heat dissipation schemes of the heat radiator and the refrigerant heat dissipation module have the problem that condensation is generated on the substrate of the electric control box, the control complexity is increased, and the failure rate of the outdoor unit is increased.

Disclosure of Invention

For the radiating problem of automatically controlled box of the upper and lower layered structure air condensing units of top air-out among the solution prior art, the utility model provides an air condensing units when improving automatically controlled box radiating effect, guarantees air condensing units's pleasing to the eye, reliability and the trouble-free operating time of operation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an air conditioner outdoor unit, which comprises a heat exchanger, a fan, a box body, a water receiving tray, an electric control box and an air guide assembly;

the box body forms an accommodating space;

the opening of the water receiving tray is arranged upwards, and the box body is divided into an upper layer space and a lower layer space which are separated; the heat exchanger and the fan are arranged in the upper layer space; the water pan comprises a bottom, and a first opening is formed in the bottom;

the electric control box is fixedly arranged in the lower layer space and comprises an electric control box body and a circuit board; the circuit board is fixedly arranged in the electric control box body; a second opening and a third opening are arranged at the two ends of the electric control box body; the third opening is in communication with an outdoor environment;

the air guide assembly is respectively connected with the first opening and the second opening, so that the upper space is communicated with the electric control box body.

In one embodiment, the electronic control box body comprises a bottom plate and side plates; the bottom plate is vertically arranged; the circuit board is vertically fixed on the bottom plate;

the second opening is arranged on the side plate at the upper left or the upper right of the electric control box body; the third opening is arranged on the side plate at the lower right or lower left of the electric control box body.

Preferably, the third opening is arranged in a downward-opening louver structure.

In some embodiments, the air guide assembly comprises: an air guide pipe and a shielding piece;

one end of the air guide pipe is connected with the first opening, so that the air guide pipe is communicated with the upper layer space.

The shielding piece is positioned above one end of the air guide pipe, is connected with the bottom and is used for shielding the air guide pipe from objects or substances falling from the upper part of the box body.

In one embodiment, the shielding member is a box body with a downward opening, and includes a bottom wall and a side wall, wherein the bottom wall is located above the first opening; the lower edge of the side wall is fixedly connected with the bottom; the side wall is provided with a ventilation opening which is of a louver structure with a downward opening.

Preferably, the air guide pipe is a corrugated pipe.

In one embodiment, the air guide assembly further comprises a drainage member which is fixedly connected with the electric control box body and comprises a cavity with two openings; the two openings are respectively a fourth opening and a fifth opening which are respectively connected with the other end of the air guide pipe and the second opening;

the cavity comprises a lower side wall; and a first through hole is arranged on the lower side wall, and the horizontal height of the first through hole is lower than that of the second opening.

In one embodiment, the electric control box body is a square box body, and the side plates of the electric control box body comprise a transverse side plate and a vertical side plate; the second opening and the third opening are respectively arranged on the vertical side plates at two ends of the electric control box body; the second opening is arranged in a louver structure with a downward opening.

In an embodiment, the air guide assembly further comprises two connecting pieces, namely a first connecting piece and a second connecting piece which are both tubular structures provided with buckles; the first connecting piece is fixedly arranged at the upper part of the drainage piece and is communicated with the cavity; the second connecting piece is fixedly connected with the first opening;

bayonets matched with the buckles in a clamping mode are respectively arranged at the two ends of the air guide pipe; and two ends of the air guide pipe are respectively clamped with the first connecting piece and the second connecting piece.

In one embodiment, the connecting fixing piece is fixedly connected with the bottom and the second connecting piece, so that the upper end of the second connecting piece is higher than the bottom.

The technical scheme of the utility model prior art relatively has following technological effect:

the air conditioner outdoor unit of the utility model communicates the upper space with the electric control box body positioned in the lower space through the air guide component, so that the opening above the box body, the upper space, the air guide component, the electric control box body and the outdoor environment form an air channel; when the fan operates, the low air pressure of the upper layer space enables air flow to be formed in the electric control box body, heat in the electric control box body is taken away, and the purpose of heat dissipation of the electric control box is achieved. The utility model forms the air channel in the space separated from each other through the simple air guide component, achieves the purpose of heat dissipation of the electric control box, and is economical, efficient and safe; the running reliability of the electric control box is guaranteed, so that the running reliability of the outdoor unit of the air conditioner is guaranteed, and the user experience is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of an outdoor unit of an air conditioner according to the present invention;

FIG. 2 is a schematic structural view of the air guide assembly connected with the electric control box and the water pan respectively;

FIG. 3 is an exploded view of the air guide assembly, the electric control box and the water pan;

FIG. 4 is a schematic view of an air guiding assembly;

FIG. 5 is a partial cross-sectional view of the air guide assembly;

FIG. 6 is an enlarged view of portion A of FIG. 5;

fig. 7 is a schematic view of the connection structure of the second connecting piece and the drainage piece.

Reference numerals:

1. a box body; 2. a water pan; 3. an electric control box body; 4. an air guide assembly; 5. a heat exchanger; 6. a fan; 11. an upper level space; 12. a lower layer space; 21. a bottom; 31. a base plate; 32. a side plate; 41. an air guide pipe; 42. a shield; 44. connecting a fixing piece; 45. a drainage member; 46. a nut; 211. a first opening; 321. a second opening; 322. a third opening; 323. a transverse side plate; 324. a vertical side plate; 411. buckling; 412. buckling; 421. a vent; 422. a side wall; 423. a bottom wall; 431. a second connecting member; 432. a first connecting member; 4311. a bayonet; 4312. a second end; 4313. a first end; 4321. a bayonet; 4322. a first end; 4323. a second end; 441. a second through hole; 451. a cavity; 452. a first through hole; 453. a fourth opening; 454. a fifth opening; 455. a lower sidewall; 456. and an upper side wall.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, and fig. 7, an outdoor unit of an air conditioner of the present invention includes a box body 1, a water pan 2, a heat exchanger 5, a compressor, a fan 6, an electric control box, and an air guide assembly 4.

The box body 1 forms an accommodating space for accommodating a heat exchange element heat exchanger 5, a compressor and the like of an indoor unit of an air conditioner; an opening is arranged above the box body 1; the fan 6 is arranged on the inner side of the opening to form a top-outlet air-conditioning outdoor unit.

The water receiving tray 2 is a box body with an upward opening, is fixedly arranged in the box body 1, and divides an accommodating space in the box body 1 into an upper layer space 11 and a lower layer space 12 which are separated; the heat exchanger 5 is arranged in the upper layer space 11; the compressor and the electric control box are arranged in the lower layer space 12.

The water pan 2 comprises a bottom 21, and a first opening 211 is arranged on the bottom 21; the electric control box comprises an electric control box body 3 and a circuit board; the circuit board is fixedly arranged in the electric control box. A second opening 321 and a third opening 322 are respectively arranged at two ends of the electric control box body 3; the air guide assembly 4 is respectively connected with the first opening 211 and the second opening 321 to enable the upper space 11 to be communicated with the electric control box body 3 positioned in the lower space 12; the third opening 322 communicates with the outdoor environment, and thus the upper space 11 communicates with the outdoor environment.

The utility model discloses an air condensing units passes through air guide component 4 and communicates upper space 11 with the automatically controlled box body 3 that is located lower floor's space 12 of keeping apart. When the fan 6 operates, a low pressure is formed in the upper space 11, so that high-pressure airflow in the electric control box body 3 flows into the upper space 11 under the action of pressure difference and is then discharged to the outdoor environment by the fan 6, the heat in the electric control box is taken away, and the purposes of heat dissipation and cooling of the electric control box are achieved. The utility model realizes the heat dissipation of the electric control box in the lower layer space 12 only by arranging the air guide component 4, which is economic and efficient; the problem that condensation and rain, snow and water invade the electric control box to cause the fault of the electric control box is avoided, and the reliability of the electric control box is improved, so that the running reliability of the outdoor unit of the air conditioner is improved, and the user experience is improved.

The specific structure and principle of the outdoor unit of the air conditioner of the present invention will be described in detail below with reference to specific embodiments.

In an embodiment, as shown in fig. 1, 2 and 3, the electric control box of the outdoor unit of an air conditioner of the present embodiment is a square box body, which includes a bottom plate 31 and side plates 32; the bottom plate 31 is vertically arranged; the circuit board is fixed to the bottom plate 31, and a space is formed in front of the circuit board.

The side plates 32 comprise a transverse side plate 323 and a vertical side plate 324; the vertical side plates 324 at the two ends of the electric control box body 3 are respectively provided with a second opening 321 and a third opening 322, so that air flow is formed in the space in front of the circuit board, and heat generated by heating of the electric control element on the circuit board is taken away.

Preferably, the second opening 321 is disposed at the upper part of the vertical side plate 324 at one end of the electric control box body 3; the third opening 322 is disposed at the lower portion of the vertical side plate 324 at the other end of the electronic control box body 3, so that the airflow can flow through the space in front of the circuit board as much as possible, thereby enhancing the heat dissipation effect.

Preferably, the third opening 322 is a louver structure with a downward opening, and is used for preventing the outdoor unit of the air conditioner from malfunctioning due to water entering from the third opening 322 in rainy or snowy weather in the outdoor environment.

In an embodiment, referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, the air guiding assembly 4 includes an air guiding tube 41, which is respectively connected to the first opening 211 and the second opening 321, and communicates the upper space 11 and the electrical control box 3.

Preferably, the air guide pipe 41 is a corrugated pipe, so that the bending and the direction changing are facilitated, and the design and the installation of the air guide assembly 4 are facilitated.

In an embodiment, referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the air guiding assembly 4 further includes a shielding member 42 located above the first opening 211 for shielding the impurities or the rain and snow water falling from the opening above the box body 1, and preventing the first opening 211 from being blocked and the rain and snow water from entering the air guiding tube 41 through the first opening 211 and further entering the electronic control box body 3.

Preferably, the shutter 42 is a downwardly open box comprising a bottom wall 423, a side wall 422; the lower edge of the side wall 422 is fixedly connected with the bottom 21 of the water pan 2; the side wall 422 is provided with a vent 421 for communicating the upper space 11 with the space in the shielding member 42, so as to communicate the upper space 11 with the electronic control box body 3.

Preferably, the joint of the lower side edge of the shielding piece 42 and the water-receiving tray 2 is subjected to sealing and waterproof treatment, so that water in the water-receiving tray 2 is prevented from entering the shielding piece 42 and entering the electric control box body 3 through the first opening 211.

Preferably, the ventilation opening 421 is a louver structure with a downward opening, so as to prevent rain and snow water from entering the air guiding assembly 4 through the ventilation opening.

In the embodiment, the function of shielding sundries, rain and snow water above the box body 1 and rain and snow water on the water pan 2 is realized through the shielding piece 42.

In an embodiment, referring to fig. 1, 2, 3, 4, 5, 6 and 7, the air guiding assembly 4 further includes a flow guiding element 45, which includes a cavity 451 with two openings and is fixedly connected to the electronic control box 3; the two openings are a fourth opening 453 and a fifth opening 454, which are respectively connected to one end of the air guiding pipe 41 and the second opening 321, so as to communicate the electric control box body 3 with the air guiding pipe 41.

Preferably, the drainage member 45 includes a lower side wall 455, and a first through hole 452 is disposed on the lower side wall 455, and has a lower level than the second opening 321, so that water flowing into the drainage member 45 and flowing out from the first through hole 452 can be prevented from entering the electronic control box once water enters the air guide tube 41.

Preferably, the first through holes 452 are elongated holes to reduce the chance of clogging.

Preferably, the second opening 321 is disposed in a downward-opening louver structure to prevent water from splashing into the electrically-controlled box 3 through the second opening 321 once water enters the air guiding pipe 41.

Preferably, the drainage member 45 is a square box with a lateral opening, and further includes an upper sidewall 456, and the fourth opening 453 is a circular through hole disposed on the upper sidewall 456; the fifth opening 454 is a lateral opening, and is fixedly connected to the vertical side plate 324 of the electronic control box 3.

In an embodiment, referring to fig. 1, 2, 3, 4, 5, 6 and 7, the air guiding assembly 4 further includes two connecting members, which are a first connecting member 432 and a second connecting member 431, respectively, and are respectively used for connecting the other end of the air guiding pipe 41 and the fourth opening 453 of the drainage member 45, and connecting one end of the air guiding pipe 41 and the first opening 211 of the water receiving tray 2.

The connecting piece is of a circular tubular structure and comprises first ends 4313, 4322 and second ends 4312, 4323; the

first end

4313, 4322 is provided with a thread having a radius smaller than the radius of the connector, and the

second end

4312, 4323 is provided with a plurality of

bayonets

4311, 4321.

The first end 4322 of the first connecting part 432 is fitted in the fourth opening 453; the air guide assembly 4 further comprises a nut 46 which is matched with the thread of the first end 4322; the first end 4322 of the first connector 432 is installed in the fourth opening 453 and extends into the cavity 451; the second end 4323 is located above the flow guide 45; the nut 46 is threadedly engaged with the first end 4322 in the cavity 451 to fixedly connect the first connecting member 432 with the flow-directing member 45.

A plurality of

buckles

411 and 412 which are matched with the

bayonets

4311 and 4321 in a clamping manner are arranged at the end part of the air guide pipe 41; the air duct 41 is installed in the second end 4323 of the first connecting part 432, and each of the fasteners 412 is engaged with each of the bayonets 4321.

In an embodiment, referring to fig. 1, 2, 3, 4, 5, 6, and 7, the wind guiding assembly 4 further includes a connecting fixing member 44, which is fixedly connected to the bottom 21 of the water pan 2, and the upper end of the connecting fixing member is higher than the bottom 21; a second through hole 441 corresponding to the first opening 211 and adapted to the second connecting member 431 is disposed on the connecting and fixing member 44; the second connecting member 431 is installed in the first opening 211 and the second through hole 441, and the first end 4313 extends upwards to connect the fixing member 44; the threads connecting the first end 4313 via the nut 46 are fixedly connected to the connecting fixture 44. The second end 4312 of the second connector 431 is located below the bottom 21 and connected to the other end of the air duct 41 by the snap connection between the snap 411 and the bayonet 4311.

Preferably, the connecting fixture 44 is a box body having a height lower than the opening of the shutter 42, and is installed in the shutter 42.

In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An air conditioner outdoor unit comprises a heat exchanger and a fan; it is characterized by also comprising:

a case forming an accommodation space;

and the air guide assembly is respectively connected with the first opening and the second opening so as to communicate the upper space with the electric control box body.

2. The outdoor unit of claim 1, wherein the electric control box body comprises a bottom plate, a side plate; the bottom plate is vertically arranged; the circuit board is vertically fixed on the bottom plate;

3. An outdoor unit of an air conditioner according to claim 1, wherein the third opening is provided in a louver structure having a downward opening.

4. The outdoor unit of any one of claims 1 to 3, wherein the air guide member comprises: an air guide pipe and a shielding piece;

one end of the air guide pipe is connected with the first opening, so that the air guide pipe is communicated with the upper layer space;

5. The outdoor unit of claim 4, wherein the blocking member is a box body having a downward opening and comprising a bottom wall and a side wall, the bottom wall being located above the first opening; the lower edge of the side wall is fixedly connected with the bottom; the side wall is provided with a ventilation opening which is of a louver structure with a downward opening.

6. The outdoor unit of claim 5, wherein the air guide duct is a corrugated tube.

7. The outdoor unit of claim 5, wherein the air guide assembly further comprises a flow guide member fixedly connected to the electric control box body and including a cavity having two openings; the two openings are respectively a fourth opening and a fifth opening which are respectively connected with the other end of the air guide pipe and the second opening;

8. The outdoor unit of claim 7, wherein the electric control box is a square box, and the side panels thereof comprise a horizontal side panel (323), a vertical side panel; the second opening and the third opening are respectively arranged on the vertical side plates at two ends of the electric control box body; the second opening is arranged in a louver structure with a downward opening.

9. The outdoor unit of claim 7, wherein the air guide assembly further comprises two connecting members, i.e., a first connecting member and a second connecting member, each having a tubular structure with a buckle; the first connecting piece is fixedly arranged at the upper part of the drainage piece and is communicated with the cavity; the second connecting piece is fixedly connected with the first opening;

10. The outdoor unit of claim 9, further comprising a coupling fixing member fixedly coupled to the bottom part and the second coupling member such that an upper end of the second coupling member is higher than the bottom part.